HC Deb 25 November 1993 vol 233 c112W
Mr. Flynn

To ask the Secretary of State for Defence if his Department measures the explosive firepower of the United Kingdom's nuclear weapons in terms of megaton equivalents.

Mr. Aitken

The explosive power of the United Kingdom's nuclear weapons is measured in kilotonne and megatonne equivalents.

Mr. Flynn

To ask the Secretary of State for Defence what is the megaton equivalent of a(a) 10 kilotonne, (b) 20 kilotonne, (c) 100 kilotonne and (d) 200 kilotonne nuclear warhead.

Mr. Aitken

One kilotonne is equivalent to 0.001 megatonnes.